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Table 2 Numbers of observed and expected deaths, SMRs, and 95% CI for the major causes of death in Japanese Yusho patients, 1968 and 2017

From: Mortality in Yusho patients exposed to polychlorinated biphenyls and polychlorinated dibenzofurans: a 50-year retrospective cohort study

Cause of death (ICD–9 codes) Males Females
Observed, no. Expected, no. SMR 95% CI Observed, no. Expected, no. SMR 95% CI
All causes (001–999) 360 346.2 1.04 0.94, 1.15 283 270.8 1.05 0.93, 1.17
All cancers (140–208) 132 108.3 1.22 1.02, 1.45 66 67.9 0.97 0.75, 1.24
 Stomach (151) 24 22.3 1.07 0.69, 1.60 5 11.8 0.43 0.14, 0.99
 Rectum (154) 4 4.5 0.88 0.24, 2.25 2 2.7 0.75 0.08, 2.70
 Liver (155) 19 12.8 1.49 0.90, 2.33 11 5.4 2.05 1.02, 3.67
 Pancreas (157) 8 6.5 1.24 0.53, 2.44 7 5.2 1.34 0.54, 2.75
 Lung (162) 37 23.3 1.59 1.12, 2.19 8 8.1 0.99 0.42, 1.94
 Breast (174) 0 0.0     6 5.2 1.15 0.42, 2.51
 Uterus (179–182)       5 3.6 1.39 0.45, 3.25
 Leukemia (204–208) 2 2.5 0.81 0.09, 2.93 0 1.7 0.00 0.00, 0.00
Diabetes mellitus (250) 1 4.1 0.24 0.00, 1.36 3 3.7 0.82 0.16, 2.38
Hypertension (401–405) 2 2.6 0.77 0.09, 2.77 1 3.4 0.29 0.00, 1.62
Heart disease (393–398, 410–429) 54 51.3 1.05 0.79, 1.37 51 47.8 1.07 0.79, 1.40
Cerebrovascular disease (430–438) 39 46.2 0.84 0.60, 1.15 44 42.7 1.03 0.75, 1.38
Hepatic disease (570–573) 12 8.5 1.42 0.73, 2.49 4 3.7 1.07 0.29, 2.73
  1. Abbreviation: ICD–9 International Classification of Diseases, Ninth Revision, SMR Standardized mortality ratio, CI Confidence interval
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